Income Tax
Sales Tax
Tax Brackets
Deductions
FAQ

Income Tax Calculator

Calculate federal and state income taxes, FICA, Medicare, and net income after deductions.

Sales Tax Calculator

Calculate sales tax for purchases and determine the total cost including tax.

Common Sales Tax Rates by State

StateState RateAvg LocalAvg Combined
California7.25%3.31%10.56%
Texas6.25%2.00%8.25%
Florida6.00%1.00%7.00%
New York4.00%4.52%8.52%
Illinois6.25%2.49%8.74%
Pennsylvania6.00%0.34%6.34%
Oregon0.00%0.00%0.00%
Montana0.00%0.00%0.00%

2024 Federal Tax Brackets

Single Filers

Tax RateIncome RangeTax Owed
10%$0 - $11,00010% of income
12%$11,001 - $44,725$1,100 + 12% of excess over $11,000
22%$44,726 - $95,375$5,147 + 22% of excess over $44,725
24%$95,376 - $182,050$16,290 + 24% of excess over $95,375
32%$182,051 - $231,250$37,104 + 32% of excess over $182,050
35%$231,251 - $578,125$52,832 + 35% of excess over $231,250
37%$578,126+$174,238 + 37% of excess over $578,125

Married Filing Jointly

Tax RateIncome RangeTax Owed
10%$0 - $22,00010% of income
12%$22,001 - $89,450$2,200 + 12% of excess over $22,000
22%$89,451 - $190,750$10,294 + 22% of excess over $89,450
24%$190,751 - $364,200$32,580 + 24% of excess over $190,750
32%$364,201 - $462,500$74,208 + 32% of excess over $364,200
35%$462,501 - $693,750$105,664 + 35% of excess over $462,500
37%$693,751+$186,601 + 37% of excess over $693,750
Tax Bracket Facts:
  • Tax brackets are marginal - you only pay the higher rate on income above each threshold
  • Standard deduction for 2024: $12,950 (single), $25,900 (married filing jointly)
  • These rates apply to ordinary income, not capital gains or dividends
  • State taxes are separate and vary by state

Tax Deductions Guide

Standard Deductions (2024)

Filing StatusStandard DeductionAdditional (65+)
Single$12,950$1,750
Married Filing Jointly$25,900$1,400 per spouse
Married Filing Separately$12,950$1,400
Head of Household$19,400$1,750
Common Itemized Deductions:
  • State and Local Taxes (SALT): Up to $10,000 limit
  • Mortgage Interest: On loans up to $750,000
  • Charitable Contributions: Generally up to 60% of AGI
  • Medical Expenses: Exceeding 7.5% of AGI
  • Home Office: For self-employed individuals
Above-the-Line Deductions:
  • Traditional IRA Contributions: Up to $6,500 ($7,500 if 50+)
  • HSA Contributions: $3,650 individual / $7,300 family
  • Student Loan Interest: Up to $2,500
  • Educator Expenses: Up to $300
  • Self-Employment Tax: 50% of SE tax paid
Business Deductions (Self-Employed):
  • Business Expenses: Ordinary and necessary costs
  • Home Office: Simplified ($5/sq ft) or actual expense method
  • Vehicle Expenses: Standard mileage rate or actual costs
  • Equipment & Supplies: Computers, software, office supplies
  • Professional Development: Courses, certifications, conferences

Frequently Asked Questions

  • What's the difference between marginal and effective tax rate? Marginal is the rate on your last dollar earned; effective is your average rate across all income.
  • Should I itemize or take the standard deduction? Itemize only if your deductions exceed the standard deduction amount.
  • What is FICA tax? Federal Insurance Contributions Act - includes Social Security (6.2%) and Medicare (1.45%) taxes.
  • When do I owe additional Medicare tax? On income over $200,000 (single) or $250,000 (married filing jointly) - additional 0.9%.
  • What if I'm self-employed? You pay both employee and employer portions of FICA (15.3% total), but can deduct half.
  • Are sales taxes deductible? You can deduct state sales tax OR state income tax (not both) if you itemize.
  • How do tax withholdings work? Your employer withholds estimated taxes from each paycheck based on your W-4.
  • What happens if I underpay taxes? You may owe penalties and interest; use estimated payments if needed.